diff --git a/localtests/bit-add/create.sql b/localtests/bit-add/create.sql
new file mode 100644
index 0000000..d58934a
--- /dev/null
+++ b/localtests/bit-add/create.sql
@@ -0,0 +1,20 @@
+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id int auto_increment,
+  i int not null,
+  primary key(id)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test values (null, 11);
+  insert into gh_ost_test values (null, 13);
+end ;;
diff --git a/localtests/bit-add/extra_args b/localtests/bit-add/extra_args
new file mode 100644
index 0000000..9d26250
--- /dev/null
+++ b/localtests/bit-add/extra_args
@@ -0,0 +1 @@
+--alter="add column is_good bit null default 0" 
diff --git a/localtests/bit-add/ghost_columns b/localtests/bit-add/ghost_columns
new file mode 100644
index 0000000..b464f06
--- /dev/null
+++ b/localtests/bit-add/ghost_columns
@@ -0,0 +1 @@
+id, i
diff --git a/localtests/bit-add/orig_columns b/localtests/bit-add/orig_columns
new file mode 100644
index 0000000..b464f06
--- /dev/null
+++ b/localtests/bit-add/orig_columns
@@ -0,0 +1 @@
+id, i
diff --git a/localtests/bit-dml/create.sql b/localtests/bit-dml/create.sql
new file mode 100644
index 0000000..c7c26af
--- /dev/null
+++ b/localtests/bit-dml/create.sql
@@ -0,0 +1,24 @@
+drop table if exists gh_ost_test;
+create table gh_ost_test (
+  id int auto_increment,
+  i int not null,
+  is_good bit null default 0,
+  primary key(id)
+) auto_increment=1;
+
+drop event if exists gh_ost_test;
+delimiter ;;
+create event gh_ost_test
+  on schedule every 1 second
+  starts current_timestamp
+  ends current_timestamp + interval 60 second
+  on completion not preserve
+  enable
+  do
+begin
+  insert into gh_ost_test values (null, 11, 0);
+  insert into gh_ost_test values (null, 13, 1);
+  insert into gh_ost_test values (null, 17, 1);
+
+  update gh_ost_test set is_good=0 where i=13 order by id desc limit 1;
+end ;;
diff --git a/localtests/bit-dml/extra_args b/localtests/bit-dml/extra_args
new file mode 100644
index 0000000..a3abab2
--- /dev/null
+++ b/localtests/bit-dml/extra_args
@@ -0,0 +1 @@
+--alter="modify column is_good bit not null default 0" --approve-renamed-columns